Teaching system combining omni-directional pickup and omni-directional sound reinforcement

Abstract

The utility model discloses an omni-directional pickup and omni-directional sound reinforcement combined teaching system, which comprises a desktop, a fixed plate fixedly connected to the top of the desktop, a base movably connected to the top of the fixed plate, and a microphone fixedly mounted on the top of the base. Through mutual cooperation of the desktop, the fixing plate, the base, the microphone, the omni-directional pickup, the omni-directional loudspeaker, a first connecting mechanism, a stop block, a connecting port, a connecting block, a through port, a second connecting mechanism, a bearing, a screw rod, a handle, a lifting plate, a clamping block and a clamping groove, the microphone can be fixed on the desktop by a dog, and when the microphone is collided by external force, the microphone can be fixed on the desktop by the dog. Therefore, the microphone is not easy to fall off from the desktop to be damaged, and normal development of teaching work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching devices, in particular to a teaching system combining omnidirectional sound pickup and omnidirectional sound amplification. Background Art

[0002] During the teaching process, the teacher will use a microphone to give lectures.

[0003] At present, as shown in the patent application number CN202121051883.0, the utility model discloses a two-directional sound-receiving microphone in the field of microphone technology, including a microphone body, a pickup assembly, a preamplifier and a directional switching switch. The pickup assembly and the preamplifier are connected through a network signal, the directional switching switch is electrically connected to the preamplifier through a circuit signal, and the other end of the directional switching switch is electrically connected to a back-end device; the pickup assembly includes a unidirectional pickup and an omnidirectional pickup, and the unidirectional pickup and the omnidirectional pickup are placed side by side.

[0004] However, in actual use, the above patent has the following defects: the microphone cannot be fixed on the desktop. When it is hit by external force, the microphone is easy to fall off the desktop and cause damage, which is not conducive to the normal development of teaching work. For this reason, we propose a teaching system that combines omnidirectional sound pickup and omnidirectional sound amplification. Utility Model Content

[0005] The purpose of the utility model is to provide a teaching system combining omnidirectional sound pickup and omnidirectional sound amplification to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a teaching system combining omnidirectional sound pickup and omnidirectional sound amplification, comprising a desktop, a fixing plate is fixedly connected to the top of the desktop, a base is movably connected to the top of the fixing plate, a microphone is fixedly installed on the top of the base, a first connecting mechanism is arranged on the rear side of the base, a through opening is opened on the left front side of the base, and a second connecting mechanism is arranged inside the through opening.

[0007] Furthermore, an omnidirectional microphone and an omnidirectional loudspeaker are fixedly connected to the top of the base, the omnidirectional microphone and the microphone are electrically connected, and the omnidirectional loudspeaker and the microphone are electrically connected.

[0008] Furthermore, the first connecting mechanism comprises a stopper, a connecting port and a connecting block; the rear side of the base is movably connected with the stopper, and the bottom of the stopper is fixedly connected to the top of the fixing plate.

[0009] Furthermore, a connection port is provided on the front side of the stopper, a connection block is movably inserted inside the connection port, and the front side of the connection block is fixedly connected to the rear side of the base.

[0010] Furthermore, the second connecting mechanism includes a bearing, a screw, a handle, a lifting plate and a block, the bottom left side of the inner wall of the through opening is fixedly connected to a bearing, the top of the bearing is rotatably connected to a screw, the top of the screw passes through the through opening and extends to the outside of the through opening and is fixedly connected to a handle.

[0011] Furthermore, the screw is movably connected to the through-port, a lifting plate is threadedly connected to the surface of the screw, front and rear sides of the lifting plate are in movably contact with the inner wall of the through-port, left and right sides of the lifting plate pass through the through-port and extend to the outside of the through-port, and blocks are fixedly connected to the left and right sides of the bottom of the lifting plate.

[0012] Furthermore, a slot is provided at the top of the fixing plate at a position corresponding to the card block, and a size of the slot is adapted to the card block.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model can fix the microphone on the desktop through the cooperation of the desktop, the fixing plate, the base, the microphone, the omnidirectional pickup, the omnidirectional loudspeaker, the first connecting mechanism, the stopper, the connecting port, the connecting block, the through port, the second connecting mechanism, the bearing, the screw rod, the handle, the lifting plate, the clamping block and the clamping groove. When the microphone is hit by external force, it is not easy to fall off the desktop and cause damage, so that the normal teaching work is beneficial. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0017] Figure 3 It is a side view structural schematic diagram of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the fixing plate of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the second connecting mechanism of the utility model.

[0020] In the figure: 1. desktop; 2. fixing plate; 3. base; 4. microphone; 5. omnidirectional pickup; 6. omnidirectional loudspeaker; 7. first connecting mechanism; 701. stopper; 702. connecting port; 703. connecting block; 8. through port; 9. second connecting mechanism; 901. bearing; 902. screw; 903. handle; 904. lifting plate; 905. clamping block; 10. clamping slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-5A teaching system combining omnidirectional sound pickup and omnidirectional sound amplification includes a desktop 1, a fixing plate 2 is fixedly connected to the top of the desktop 1, a base 3 is movably connected to the top of the fixing plate 2, a microphone 4 is fixedly installed on the top of the base 3, a first connecting mechanism 7 is arranged on the rear side of the base 3, a through opening 8 is opened on the left front side of the base 3, and a second connecting mechanism 9 is arranged inside the through opening 8.

[0025] Specifically, an omnidirectional microphone 5 and an omnidirectional loudspeaker 6 are fixedly connected to the top of the base 3 . The omnidirectional microphone 5 and the microphone 4 are electrically connected, and the omnidirectional loudspeaker 6 and the microphone 4 are electrically connected.

[0026] In specific implementation, the first connection mechanism 7 includes a stopper 701 , a connection port 702 and a connection block 703 . The rear side of the base 3 is movably connected with the stopper 701 , and the bottom of the stopper 701 is fixedly connected to the top of the fixing plate 2 .

[0027] Specifically, a connection port 702 is provided at the front side of the stopper 701 , a connection block 703 is movably inserted into the connection port 702 , and the front side of the connection block 703 is fixedly connected to the rear side of the base 3 .

[0028] During specific implementation, the second connecting mechanism 9 includes a bearing 901, a screw 902, a handle 903, a lifting plate 904 and a block 905. The bearing 901 is fixedly connected to the left side of the bottom of the inner wall of the opening 8, the top of the bearing 901 is rotatably connected to the screw 902, the top of the screw 902 passes through the opening 8 and extends to the outside of the opening 8 and is fixedly connected to the handle 903.

[0029] Specifically, the screw rod 902 is movably connected to the through-port 8, and a lifting plate 904 is threadedly connected to the surface of the screw rod 902. The front and rear sides of the lifting plate 904 are in movably contact with the inner wall of the through-port 8. The left and right sides of the lifting plate 904 penetrate the through-port 8 and extend to the outside of the through-port 8. The left and right sides of the bottom of the lifting plate 904 are fixedly connected with a clamping block 905.

[0030] During specific implementation, a card slot 10 is provided at a position on the top of the fixing plate 2 corresponding to the card block 905 , and the size of the card slot 10 is adapted to the card block 905 .

[0031] In actual application: During teaching, the teacher places the base 3 of the microphone 4 on the fixed plate 2 of the desktop 1, and inserts the connecting block 703 into the connecting port 702, and then turns the handle 903 clockwise to drive the screw 902 to rotate, and then under the action of the thread, the lifting plate 904 drives the card block 905 to move downward, and then the card block 905 is inserted into the card slot 10. Through the above steps, the microphone 4 can be firmly fixed on the desktop 1, and then when the microphone 4 is hit by external force, it will not fall off the desktop 1 and be damaged, which greatly improves the safety of the use of the microphone 4. Then the teacher can use the microphone 4 for teaching.

[0032] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0033] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A teaching system combining omnidirectional sound pickup and omnidirectional sound amplification, characterized in that: The invention comprises a desktop (1), the top of the desktop (1) is fixedly connected to a fixing plate (2), the top of the fixing plate (2) is movably connected to a base (3), the top of the base (3) is fixedly mounted with a microphone (4), the rear side of the base (3) is provided with a first connecting mechanism (7), the left front side of the base (3) is provided with a through opening (8), and the interior of the through opening (8) is provided with a second connecting mechanism (9).

2. The teaching system combining omnidirectional sound pickup and omnidirectional sound amplification according to claim 1, characterized in that: An omnidirectional microphone (5) and an omnidirectional loudspeaker (6) are also fixedly connected to the top of the base (3); the omnidirectional microphone (5) and the microphone (4) are electrically connected; and the omnidirectional loudspeaker (6) and the microphone (4) are electrically connected.

3. The teaching system combining omnidirectional sound pickup and omnidirectional sound amplification according to claim 2, characterized in that: The first connection mechanism (7) comprises a stopper (701), the rear side of the base (3) is movably connected with the stopper (701), and the bottom of the stopper (701) is fixedly connected to the top of the fixed plate (2).

4. The teaching system combining omnidirectional sound pickup and omnidirectional sound amplification according to claim 3 is characterized in that: The front side of the stopper (701) is provided with a connection opening (702), the interior of the connection opening (702) is movably plugged with a connection block (703), and the front side of the connection block (703) is fixedly connected to the rear side of the base (3).

5. The teaching system combining omnidirectional sound pickup and omnidirectional sound amplification according to claim 4, characterized in that: The second connecting mechanism (9) comprises a bearing (901), the bearing (901) is fixedly connected to the left side of the bottom of the inner wall of the through opening (8), the top of the bearing (901) is rotatably connected to a screw rod (902), the top of the screw rod (902) passes through the through opening (8) and extends to the outside of the through opening (8) and is fixedly connected to a handle (903).

6. The teaching system combining omnidirectional sound pickup and omnidirectional sound amplification according to claim 5, characterized in that: The screw rod (902) is movably connected to the through-port (8); a lifting plate (904) is threadedly connected to the surface of the screw rod (902); both left and right sides of the lifting plate (904) penetrate the through-port (8) and extend to the outside of the through-port (8); and both left and right sides of the bottom of the lifting plate (904) are fixedly connected to a clamping block (905).

7. The teaching system combining omnidirectional sound pickup and omnidirectional sound amplification according to claim 6, characterized in that: A card slot (10) is provided at a position on the top of the fixing plate (2) corresponding to the card block (905).

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